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|
/*
* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
* (C) 1999 Antti Koivisto (koivisto@kde.org)
* Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
* Copyright (C) 2006 Andrew Wellington (proton@wiretapped.net)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#include "config.h"
#include "RenderListMarker.h"
#include "CachedImage.h"
#include "CharacterNames.h"
#include "Document.h"
#include "GraphicsContext.h"
#include "ListMarkerBox.h"
#include "RenderLayer.h"
#include "RenderListItem.h"
#include "RenderView.h"
using namespace std;
using namespace WTF;
using namespace Unicode;
namespace WebCore {
const int cMarkerPadding = 7;
static String toRoman(int number, bool upper)
{
// FIXME: CSS3 describes how to make this work for much larger numbers,
// using overbars and special characters. It also specifies the characters
// in the range U+2160 to U+217F instead of standard ASCII ones.
if (number < 1 || number > 3999)
return String::number(number);
const int lettersSize = 12; // big enough for three each of I, X, C, and M
UChar letters[lettersSize];
int length = 0;
const UChar ldigits[] = { 'i', 'v', 'x', 'l', 'c', 'd', 'm' };
const UChar udigits[] = { 'I', 'V', 'X', 'L', 'C', 'D', 'M' };
const UChar* digits = upper ? udigits : ldigits;
int d = 0;
do {
int num = number % 10;
if (num % 5 < 4)
for (int i = num % 5; i > 0; i--)
letters[lettersSize - ++length] = digits[d];
if (num >= 4 && num <= 8)
letters[lettersSize - ++length] = digits[d + 1];
if (num == 9)
letters[lettersSize - ++length] = digits[d + 2];
if (num % 5 == 4)
letters[lettersSize - ++length] = digits[d];
number /= 10;
d += 2;
} while (number);
ASSERT(length <= lettersSize);
return String(&letters[lettersSize - length], length);
}
static String toAlphabetic(int number, const UChar* alphabet, int alphabetSize)
{
ASSERT(alphabetSize >= 10);
if (number < 1)
return String::number(number);
const int lettersSize = 10; // big enough for a 32-bit int, with a 10-letter alphabet
UChar letters[lettersSize];
--number;
letters[lettersSize - 1] = alphabet[number % alphabetSize];
int length = 1;
while ((number /= alphabetSize) > 0)
letters[lettersSize - ++length] = alphabet[number % alphabetSize - 1];
ASSERT(length <= lettersSize);
return String(&letters[lettersSize - length], length);
}
static int toHebrewUnder1000(int number, UChar letters[5])
{
// FIXME: CSS3 mentions various refinements not implemented here.
// FIXME: Should take a look at Mozilla's HebrewToText function (in nsBulletFrame).
ASSERT(number >= 0 && number < 1000);
int length = 0;
int fourHundreds = number / 400;
for (int i = 0; i < fourHundreds; i++)
letters[length++] = 1511 + 3;
number %= 400;
if (number / 100)
letters[length++] = 1511 + (number / 100) - 1;
number %= 100;
if (number == 15 || number == 16) {
letters[length++] = 1487 + 9;
letters[length++] = 1487 + number - 9;
} else {
if (int tens = number / 10) {
static const UChar hebrewTens[9] = { 1497, 1499, 1500, 1502, 1504, 1505, 1506, 1508, 1510 };
letters[length++] = hebrewTens[tens - 1];
}
if (int ones = number % 10)
letters[length++] = 1487 + ones;
}
ASSERT(length <= 5);
return length;
}
static String toHebrew(int number)
{
// FIXME: CSS3 mentions ways to make this work for much larger numbers.
if (number < 0 || number > 999999)
return String::number(number);
if (number == 0) {
static const UChar hebrewZero[3] = { 0x05D0, 0x05E4, 0x05E1 };
return String(hebrewZero, 3);
}
const int lettersSize = 11; // big enough for two 5-digit sequences plus a quote mark between
UChar letters[lettersSize];
int length;
if (number < 1000)
length = 0;
else {
length = toHebrewUnder1000(number / 1000, letters);
letters[length++] = '\'';
number = number % 1000;
}
length += toHebrewUnder1000(number, letters + length);
ASSERT(length <= lettersSize);
return String(letters, length);
}
static int toArmenianUnder10000(int number, bool upper, bool addCircumflex, UChar letters[9])
{
ASSERT(number >= 0 && number < 10000);
int length = 0;
int lowerOffset = upper ? 0 : 0x0030;
if (int thousands = number / 1000)
if (thousands == 7) {
letters[length++] = 0x0548 + lowerOffset;
letters[length++] = 0x0552 + lowerOffset;
if (addCircumflex)
letters[length++] = 0x0302;
} else {
letters[length++] = (0x054C - 1 + lowerOffset) + thousands;
if (addCircumflex)
letters[length++] = 0x0302;
}
if (int hundreds = (number / 100) % 10) {
letters[length++] = (0x0543 - 1 + lowerOffset) + hundreds;
if (addCircumflex)
letters[length++] = 0x0302;
}
if (int tens = (number / 10) % 10) {
letters[length++] = (0x053A - 1 + lowerOffset) + tens;
if (addCircumflex)
letters[length++] = 0x0302;
}
if (int ones = number % 10) {
letters[length++] = (0x531 - 1 + lowerOffset) + ones;
if (addCircumflex)
letters[length++] = 0x0302;
}
return length;
}
static String toArmenian(int number, bool upper)
{
if (number < 1 || number > 99999999)
return String::number(number);
const int lettersSize = 18; // twice what toArmenianUnder10000 needs
UChar letters[lettersSize];
int length = toArmenianUnder10000(number / 10000, upper, true, letters);
length += toArmenianUnder10000(number % 10000, upper, false, letters + length);
ASSERT(length <= lettersSize);
return String(letters, length);
}
static String toGeorgian(int number)
{
if (number < 1 || number > 19999)
return String::number(number);
const int lettersSize = 5;
UChar letters[lettersSize];
int length = 0;
if (number > 9999)
letters[length++] = 0x10F5;
if (int thousands = (number / 1000) % 10) {
static const UChar georgianThousands[9] = {
0x10E9, 0x10EA, 0x10EB, 0x10EC, 0x10ED, 0x10EE, 0x10F4, 0x10EF, 0x10F0
};
letters[length++] = georgianThousands[thousands - 1];
}
if (int hundreds = (number / 100) % 10) {
static const UChar georgianHundreds[9] = {
0x10E0, 0x10E1, 0x10E2, 0x10F3, 0x10E4, 0x10E5, 0x10E6, 0x10E7, 0x10E8
};
letters[length++] = georgianHundreds[hundreds - 1];
}
if (int tens = (number / 10) % 10) {
static const UChar georgianTens[9] = {
0x10D8, 0x10D9, 0x10DA, 0x10DB, 0x10DC, 0x10F2, 0x10DD, 0x10DE, 0x10DF
};
letters[length++] = georgianTens[tens - 1];
}
if (int ones = number % 10) {
static const UChar georgianOnes[9] = {
0x10D0, 0x10D1, 0x10D2, 0x10D3, 0x10D4, 0x10D5, 0x10D6, 0x10F1, 0x10D7
};
letters[length++] = georgianOnes[ones - 1];
}
ASSERT(length <= lettersSize);
return String(letters, length);
}
// The table uses the order from the CSS3 specification:
// first 3 group markers, then 3 digit markers, then ten digits.
static String toCJKIdeographic(int number, const UChar table[16])
{
if (number < 0)
return String::number(number);
enum AbstractCJKChar {
noChar,
secondGroupMarker, thirdGroupMarker, fourthGroupMarker,
secondDigitMarker, thirdDigitMarker, fourthDigitMarker,
digit0, digit1, digit2, digit3, digit4,
digit5, digit6, digit7, digit8, digit9
};
if (number == 0)
return String(&table[digit0 - 1], 1);
const int groupLength = 8; // 4 digits, 3 digit markers, and a group marker
const int bufferLength = 4 * groupLength;
AbstractCJKChar buffer[bufferLength] = { noChar };
for (int i = 0; i < 4; ++i) {
int groupValue = number % 10000;
number /= 10000;
// Process least-significant group first, but put it in the buffer last.
AbstractCJKChar* group = &buffer[(3 - i) * groupLength];
if (groupValue && i)
group[7] = static_cast<AbstractCJKChar>(secondGroupMarker - 1 + i);
// Put in the four digits and digit markers for any non-zero digits.
group[6] = static_cast<AbstractCJKChar>(digit0 + (groupValue % 10));
if (number != 0 || groupValue > 9) {
int digitValue = ((groupValue / 10) % 10);
group[4] = static_cast<AbstractCJKChar>(digit0 + digitValue);
if (digitValue)
group[5] = secondDigitMarker;
}
if (number != 0 || groupValue > 99) {
int digitValue = ((groupValue / 100) % 10);
group[2] = static_cast<AbstractCJKChar>(digit0 + digitValue);
if (digitValue)
group[3] = thirdDigitMarker;
}
if (number != 0 || groupValue > 999) {
int digitValue = groupValue / 1000;
group[0] = static_cast<AbstractCJKChar>(digit0 + digitValue);
if (digitValue)
group[1] = fourthDigitMarker;
}
// Remove the tens digit, but leave the marker, for any group that has
// a value of less than 20.
if (groupValue < 20) {
ASSERT(group[4] == noChar || group[4] == digit0 || group[4] == digit1);
group[4] = noChar;
}
if (number == 0)
break;
}
// Convert into characters, omitting consecutive runs of digit0 and
// any trailing digit0.
int length = 0;
UChar characters[bufferLength];
AbstractCJKChar last = noChar;
for (int i = 0; i < bufferLength; ++i) {
AbstractCJKChar a = buffer[i];
if (a != noChar) {
if (a != digit0 || last != digit0)
characters[length++] = table[a - 1];
last = a;
}
}
if (last == digit0)
--length;
return String(characters, length);
}
String listMarkerText(EListStyleType type, int value)
{
switch (type) {
case LNONE:
return "";
// We use the same characters for text security.
// See RenderText::setInternalString.
case CIRCLE:
return String(&whiteBullet, 1);
case DISC:
return String(&bullet, 1);
case SQUARE:
// The CSS 2.1 test suite uses U+25EE BLACK MEDIUM SMALL SQUARE
// instead, but I think this looks better.
return String(&blackSquare, 1);
case LDECIMAL:
return String::number(value);
case DECIMAL_LEADING_ZERO:
if (value < -9 || value > 9)
return String::number(value);
if (value < 0)
return "-0" + String::number(-value); // -01 to -09
return "0" + String::number(value); // 00 to 09
case LOWER_ALPHA:
case LOWER_LATIN: {
static const UChar lowerLatinAlphabet[26] = {
'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm',
'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z'
};
return toAlphabetic(value, lowerLatinAlphabet, 26);
}
case UPPER_ALPHA:
case UPPER_LATIN: {
static const UChar upperLatinAlphabet[26] = {
'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M',
'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z'
};
return toAlphabetic(value, upperLatinAlphabet, 26);
}
case LOWER_GREEK: {
static const UChar lowerGreekAlphabet[24] = {
0x03B1, 0x03B2, 0x03B3, 0x03B4, 0x03B5, 0x03B6, 0x03B7, 0x03B8,
0x03B9, 0x03BA, 0x03BB, 0x03BC, 0x03BD, 0x03BE, 0x03BF, 0x03C0,
0x03C1, 0x03C3, 0x03C4, 0x03C5, 0x03C6, 0x03C7, 0x03C8, 0x03C9
};
return toAlphabetic(value, lowerGreekAlphabet, 24);
}
case HIRAGANA: {
// FIXME: This table comes from the CSS3 draft, and is probably
// incorrect, given the comments in that draft.
static const UChar hiraganaAlphabet[48] = {
0x3042, 0x3044, 0x3046, 0x3048, 0x304A, 0x304B, 0x304D, 0x304F,
0x3051, 0x3053, 0x3055, 0x3057, 0x3059, 0x305B, 0x305D, 0x305F,
0x3061, 0x3064, 0x3066, 0x3068, 0x306A, 0x306B, 0x306C, 0x306D,
0x306E, 0x306F, 0x3072, 0x3075, 0x3078, 0x307B, 0x307E, 0x307F,
0x3080, 0x3081, 0x3082, 0x3084, 0x3086, 0x3088, 0x3089, 0x308A,
0x308B, 0x308C, 0x308D, 0x308F, 0x3090, 0x3091, 0x3092, 0x3093
};
return toAlphabetic(value, hiraganaAlphabet, 48);
}
case HIRAGANA_IROHA: {
// FIXME: This table comes from the CSS3 draft, and is probably
// incorrect, given the comments in that draft.
static const UChar hiraganaIrohaAlphabet[47] = {
0x3044, 0x308D, 0x306F, 0x306B, 0x307B, 0x3078, 0x3068, 0x3061,
0x308A, 0x306C, 0x308B, 0x3092, 0x308F, 0x304B, 0x3088, 0x305F,
0x308C, 0x305D, 0x3064, 0x306D, 0x306A, 0x3089, 0x3080, 0x3046,
0x3090, 0x306E, 0x304A, 0x304F, 0x3084, 0x307E, 0x3051, 0x3075,
0x3053, 0x3048, 0x3066, 0x3042, 0x3055, 0x304D, 0x3086, 0x3081,
0x307F, 0x3057, 0x3091, 0x3072, 0x3082, 0x305B, 0x3059
};
return toAlphabetic(value, hiraganaIrohaAlphabet, 47);
}
case KATAKANA: {
// FIXME: This table comes from the CSS3 draft, and is probably
// incorrect, given the comments in that draft.
static const UChar katakanaAlphabet[48] = {
0x30A2, 0x30A4, 0x30A6, 0x30A8, 0x30AA, 0x30AB, 0x30AD, 0x30AF,
0x30B1, 0x30B3, 0x30B5, 0x30B7, 0x30B9, 0x30BB, 0x30BD, 0x30BF,
0x30C1, 0x30C4, 0x30C6, 0x30C8, 0x30CA, 0x30CB, 0x30CC, 0x30CD,
0x30CE, 0x30CF, 0x30D2, 0x30D5, 0x30D8, 0x30DB, 0x30DE, 0x30DF,
0x30E0, 0x30E1, 0x30E2, 0x30E4, 0x30E6, 0x30E8, 0x30E9, 0x30EA,
0x30EB, 0x30EC, 0x30ED, 0x30EF, 0x30F0, 0x30F1, 0x30F2, 0x30F3
};
return toAlphabetic(value, katakanaAlphabet, 48);
}
case KATAKANA_IROHA: {
// FIXME: This table comes from the CSS3 draft, and is probably
// incorrect, given the comments in that draft.
static const UChar katakanaIrohaAlphabet[47] = {
0x30A4, 0x30ED, 0x30CF, 0x30CB, 0x30DB, 0x30D8, 0x30C8, 0x30C1,
0x30EA, 0x30CC, 0x30EB, 0x30F2, 0x30EF, 0x30AB, 0x30E8, 0x30BF,
0x30EC, 0x30BD, 0x30C4, 0x30CD, 0x30CA, 0x30E9, 0x30E0, 0x30A6,
0x30F0, 0x30CE, 0x30AA, 0x30AF, 0x30E4, 0x30DE, 0x30B1, 0x30D5,
0x30B3, 0x30A8, 0x30C6, 0x30A2, 0x30B5, 0x30AD, 0x30E6, 0x30E1,
0x30DF, 0x30B7, 0x30F1, 0x30D2, 0x30E2, 0x30BB, 0x30B9
};
return toAlphabetic(value, katakanaIrohaAlphabet, 47);
}
case CJK_IDEOGRAPHIC: {
static const UChar traditionalChineseInformalTable[16] = {
0x842C, 0x5104, 0x5146,
0x5341, 0x767E, 0x5343,
0x96F6, 0x4E00, 0x4E8C, 0x4E09, 0x56DB,
0x4E94, 0x516D, 0x4E03, 0x516B, 0x4E5D
};
return toCJKIdeographic(value, traditionalChineseInformalTable);
}
case LOWER_ROMAN:
return toRoman(value, false);
case UPPER_ROMAN:
return toRoman(value, true);
case ARMENIAN:
// CSS3 says "armenian" means "lower-armenian".
// But the CSS2.1 test suite contains uppercase test results for "armenian",
// so we'll match the test suite.
return toArmenian(value, true);
case GEORGIAN:
return toGeorgian(value);
case HEBREW:
return toHebrew(value);
}
ASSERT_NOT_REACHED();
return "";
}
RenderListMarker::RenderListMarker(RenderListItem* item)
: RenderBox(item->document())
, m_listItem(item)
, m_selectionState(SelectionNone)
{
// init RenderObject attributes
setInline(true); // our object is Inline
setReplaced(true); // pretend to be replaced
}
RenderListMarker::~RenderListMarker()
{
if (m_image)
m_image->removeClient(this);
}
void RenderListMarker::styleWillChange(RenderStyle::Diff diff, const RenderStyle* newStyle)
{
if (style() && (newStyle->listStylePosition() != style()->listStylePosition() || newStyle->listStyleType() != style()->listStyleType()))
setNeedsLayoutAndPrefWidthsRecalc();
RenderBox::styleWillChange(diff, newStyle);
}
void RenderListMarker::styleDidChange(RenderStyle::Diff diff, const RenderStyle* oldStyle)
{
RenderBox::styleDidChange(diff, oldStyle);
if (m_image != style()->listStyleImage()) {
if (m_image)
m_image->removeClient(this);
m_image = style()->listStyleImage();
if (m_image)
m_image->addClient(this);
}
}
InlineBox* RenderListMarker::createInlineBox(bool, bool isRootLineBox, bool)
{
ASSERT(!isRootLineBox);
ListMarkerBox* box = new (renderArena()) ListMarkerBox(this);
m_inlineBoxWrapper = box;
return box;
}
bool RenderListMarker::isImage() const
{
return m_image && !m_image->errorOccurred();
}
void RenderListMarker::paint(PaintInfo& paintInfo, int tx, int ty)
{
if (paintInfo.phase != PaintPhaseForeground)
return;
if (style()->visibility() != VISIBLE)
return;
IntRect marker = getRelativeMarkerRect();
marker.move(tx, ty);
IntRect box(tx + m_x, ty + m_y, m_width, m_height);
if (box.y() > paintInfo.rect.bottom() || box.y() + box.height() < paintInfo.rect.y())
return;
if (hasBoxDecorations())
paintBoxDecorations(paintInfo, box.x(), box.y());
GraphicsContext* context = paintInfo.context;
context->setFont(style()->font());
if (isImage()) {
#if PLATFORM(MAC)
if (style()->highlight() != nullAtom && !paintInfo.context->paintingDisabled())
paintCustomHighlight(tx, ty, style()->highlight(), true);
#endif
context->drawImage(m_image->image(this, marker.size()), marker.location());
if (selectionState() != SelectionNone)
context->fillRect(selectionRect(), selectionBackgroundColor());
return;
}
#if PLATFORM(MAC)
// FIXME: paint gap between marker and list item proper
if (style()->highlight() != nullAtom && !paintInfo.context->paintingDisabled())
paintCustomHighlight(tx, ty, style()->highlight(), true);
#endif
if (selectionState() != SelectionNone)
context->fillRect(selectionRect(), selectionBackgroundColor());
const Color color(style()->color());
context->setStrokeColor(color);
context->setStrokeStyle(SolidStroke);
context->setStrokeThickness(1.0f);
context->setFillColor(color);
switch (style()->listStyleType()) {
case DISC:
context->drawEllipse(marker);
return;
case CIRCLE:
context->setFillColor(Color::transparent);
context->drawEllipse(marker);
return;
case SQUARE:
context->drawRect(marker);
return;
case LNONE:
return;
case ARMENIAN:
case CJK_IDEOGRAPHIC:
case DECIMAL_LEADING_ZERO:
case GEORGIAN:
case HEBREW:
case HIRAGANA:
case HIRAGANA_IROHA:
case KATAKANA:
case KATAKANA_IROHA:
case LDECIMAL:
case LOWER_ALPHA:
case LOWER_GREEK:
case LOWER_LATIN:
case LOWER_ROMAN:
case UPPER_ALPHA:
case UPPER_LATIN:
case UPPER_ROMAN:
break;
}
if (m_text.isEmpty())
return;
TextRun textRun(m_text);
// Text is not arbitrary. We can judge whether it's RTL from the first character,
// and we only need to handle the direction RightToLeft for now.
bool textNeedsReversing = direction(m_text[0]) == RightToLeft;
Vector<UChar> reversedText;
if (textNeedsReversing) {
int length = m_text.length();
reversedText.grow(length);
for (int i = 0; i < length; ++i)
reversedText[length - i - 1] = m_text[i];
textRun = TextRun(reversedText.data(), length);
}
const Font& font = style()->font();
if (style()->direction() == LTR) {
int width = font.width(textRun);
context->drawText(textRun, marker.location());
const UChar periodSpace[2] = { '.', ' ' };
context->drawText(TextRun(periodSpace, 2), marker.location() + IntSize(width, 0));
} else {
const UChar spacePeriod[2] = { ' ', '.' };
TextRun spacePeriodRun(spacePeriod, 2);
int width = font.width(spacePeriodRun);
context->drawText(spacePeriodRun, marker.location());
context->drawText(textRun, marker.location() + IntSize(width, 0));
}
}
void RenderListMarker::layout()
{
ASSERT(needsLayout());
ASSERT(!prefWidthsDirty());
if (isImage()) {
m_width = m_image->imageSize(this, style()->effectiveZoom()).width();
m_height = m_image->imageSize(this, style()->effectiveZoom()).height();
} else {
m_width = minPrefWidth();
m_height = style()->font().height();
}
m_marginLeft = m_marginRight = 0;
Length leftMargin = style()->marginLeft();
Length rightMargin = style()->marginRight();
if (leftMargin.isFixed())
m_marginLeft = leftMargin.value();
if (rightMargin.isFixed())
m_marginRight = rightMargin.value();
setNeedsLayout(false);
}
void RenderListMarker::imageChanged(WrappedImagePtr o)
{
// A list marker can't have a background or border image, so no need to call the base class method.
if (o != m_image->data())
return;
if (m_width != m_image->imageSize(this, style()->effectiveZoom()).width() || m_height != m_image->imageSize(this, style()->effectiveZoom()).height() || m_image->errorOccurred())
setNeedsLayoutAndPrefWidthsRecalc();
else
repaint();
}
void RenderListMarker::calcPrefWidths()
{
ASSERT(prefWidthsDirty());
m_text = "";
const Font& font = style()->font();
if (isImage()) {
// FIXME: This is a somewhat arbitrary width. Generated images for markers really won't become particularly useful
// until we support the CSS3 marker pseudoclass to allow control over the width and height of the marker box.
int bulletWidth = font.ascent() / 2;
m_image->setImageContainerSize(IntSize(bulletWidth, bulletWidth));
m_minPrefWidth = m_maxPrefWidth = m_image->imageSize(this, style()->effectiveZoom()).width();
setPrefWidthsDirty(false);
updateMargins();
return;
}
int width = 0;
EListStyleType type = style()->listStyleType();
switch (type) {
case LNONE:
break;
case CIRCLE:
case DISC:
case SQUARE:
m_text = listMarkerText(type, 0); // value is ignored for these types
width = (font.ascent() * 2 / 3 + 1) / 2 + 2;
break;
case ARMENIAN:
case CJK_IDEOGRAPHIC:
case DECIMAL_LEADING_ZERO:
case GEORGIAN:
case HEBREW:
case HIRAGANA:
case HIRAGANA_IROHA:
case KATAKANA:
case KATAKANA_IROHA:
case LDECIMAL:
case LOWER_ALPHA:
case LOWER_GREEK:
case LOWER_LATIN:
case LOWER_ROMAN:
case UPPER_ALPHA:
case UPPER_LATIN:
case UPPER_ROMAN:
m_text = listMarkerText(type, m_listItem->value());
if (m_text.isEmpty())
width = 0;
else {
int itemWidth = font.width(m_text);
const UChar periodSpace[2] = { '.', ' ' };
int periodSpaceWidth = font.width(TextRun(periodSpace, 2));
width = itemWidth + periodSpaceWidth;
}
break;
}
m_minPrefWidth = width;
m_maxPrefWidth = width;
setPrefWidthsDirty(false);
updateMargins();
}
void RenderListMarker::updateMargins()
{
const Font& font = style()->font();
int marginLeft = 0;
int marginRight = 0;
if (isInside()) {
if (isImage()) {
if (style()->direction() == LTR)
marginRight = cMarkerPadding;
else
marginLeft = cMarkerPadding;
} else switch (style()->listStyleType()) {
case DISC:
case CIRCLE:
case SQUARE:
if (style()->direction() == LTR) {
marginLeft = -1;
marginRight = font.ascent() - minPrefWidth() + 1;
} else {
marginLeft = font.ascent() - minPrefWidth() + 1;
marginRight = -1;
}
break;
default:
break;
}
} else {
if (style()->direction() == LTR) {
if (isImage())
marginLeft = -minPrefWidth() - cMarkerPadding;
else {
int offset = font.ascent() * 2 / 3;
switch (style()->listStyleType()) {
case DISC:
case CIRCLE:
case SQUARE:
marginLeft = -offset - cMarkerPadding - 1;
break;
case LNONE:
break;
default:
marginLeft = m_text.isEmpty() ? 0 : -minPrefWidth() - offset / 2;
}
}
} else {
if (isImage())
marginLeft = cMarkerPadding;
else {
int offset = font.ascent() * 2 / 3;
switch (style()->listStyleType()) {
case DISC:
case CIRCLE:
case SQUARE:
marginLeft = offset + cMarkerPadding + 1 - minPrefWidth();
break;
case LNONE:
break;
default:
marginLeft = m_text.isEmpty() ? 0 : offset / 2;
}
}
}
marginRight = -marginLeft - minPrefWidth();
}
style()->setMarginLeft(Length(marginLeft, Fixed));
style()->setMarginRight(Length(marginRight, Fixed));
}
int RenderListMarker::lineHeight(bool, bool) const
{
if (!isImage())
return m_listItem->lineHeight(false, true);
return height();
}
int RenderListMarker::baselinePosition(bool, bool) const
{
if (!isImage()) {
const Font& font = style()->font();
return font.ascent() + (lineHeight(false) - font.height())/2;
}
return height();
}
bool RenderListMarker::isInside() const
{
return m_listItem->notInList() || style()->listStylePosition() == INSIDE;
}
IntRect RenderListMarker::getRelativeMarkerRect()
{
if (isImage())
return IntRect(m_x, m_y, m_image->imageSize(this, style()->effectiveZoom()).width(), m_image->imageSize(this, style()->effectiveZoom()).height());
switch (style()->listStyleType()) {
case DISC:
case CIRCLE:
case SQUARE: {
// FIXME: Are these particular rounding rules necessary?
const Font& font = style()->font();
int ascent = font.ascent();
int bulletWidth = (ascent * 2 / 3 + 1) / 2;
return IntRect(m_x + 1, m_y + 3 * (ascent - ascent * 2 / 3) / 2, bulletWidth, bulletWidth);
}
case LNONE:
return IntRect();
case ARMENIAN:
case CJK_IDEOGRAPHIC:
case DECIMAL_LEADING_ZERO:
case GEORGIAN:
case HEBREW:
case HIRAGANA:
case HIRAGANA_IROHA:
case KATAKANA:
case KATAKANA_IROHA:
case LDECIMAL:
case LOWER_ALPHA:
case LOWER_GREEK:
case LOWER_LATIN:
case LOWER_ROMAN:
case UPPER_ALPHA:
case UPPER_LATIN:
case UPPER_ROMAN:
if (m_text.isEmpty())
return IntRect();
const Font& font = style()->font();
int itemWidth = font.width(m_text);
const UChar periodSpace[2] = { '.', ' ' };
int periodSpaceWidth = font.width(TextRun(periodSpace, 2));
return IntRect(m_x, m_y + font.ascent(), itemWidth + periodSpaceWidth, font.height());
}
return IntRect();
}
void RenderListMarker::setSelectionState(SelectionState state)
{
m_selectionState = state;
if (InlineBox* box = inlineBoxWrapper())
if (RootInlineBox* root = box->root())
root->setHasSelectedChildren(state != SelectionNone);
containingBlock()->setSelectionState(state);
}
IntRect RenderListMarker::selectionRect(bool clipToVisibleContent)
{
ASSERT(!needsLayout());
if (selectionState() == SelectionNone || !inlineBoxWrapper())
return IntRect();
RootInlineBox* root = inlineBoxWrapper()->root();
IntRect rect(0, root->selectionTop() - yPos(), width(), root->selectionHeight());
if (clipToVisibleContent)
computeAbsoluteRepaintRect(rect);
else {
int absx, absy;
absolutePosition(absx, absy);
rect.move(absx, absy);
}
return rect;
}
} // namespace WebCore
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